2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
17 * @brief L2-GRE over IPSec packet processing.
20 #ifndef included_ipsec_gre_h
21 #define included_ipsec_gre_h
23 #include <vnet/vnet.h>
24 #include <vnet/gre/packet.h>
25 #include <vnet/gre/gre.h>
26 #include <vnet/ip/ip.h>
27 #include <vnet/ip/ip4.h>
28 #include <vnet/ip/ip4_packet.h>
29 #include <vnet/pg/pg.h>
30 #include <vnet/ip/format.h>
32 extern vnet_hw_interface_class_t ipsec_gre_hw_interface_class;
35 * @brief IPSec-GRE errors.
40 #define ipsec_gre_error(n,s) IPSEC_GRE_ERROR_##n,
41 #include <vnet/ipsec-gre/error.def>
42 #undef ipsec_gre_error
47 * @brief IPSec-GRE tunnel parameters.
52 ip4_address_t tunnel_src; /**< tunnel IPv4 src address */
53 ip4_address_t tunnel_dst; /**< tunnel IPv4 dst address */
54 u32 local_sa; /**< local IPSec SA index */
55 u32 remote_sa; /**< remote IPSec SA index */
56 u32 local_sa_id; /**< local IPSec SA id */
57 u32 remote_sa_id; /**< remote IPSec SA id */
58 u32 hw_if_index;; /**< hardware interface index */
59 u32 sw_if_index;; /**< software interface index */
63 * @brief IPSec-GRE state.
68 ipsec_gre_tunnel_t *tunnels; /**< pool of tunnel instances */
70 uword *tunnel_by_key; /**< hash mapping src/dst addr pair to tunnel */
72 u32 *free_ipsec_gre_tunnel_hw_if_indices; /**< free vlib hw_if_indices */
74 u32 *tunnel_index_by_sw_if_index; /**< mapping from sw_if_index to tunnel
77 vlib_main_t *vlib_main; /**< convenience */
78 vnet_main_t *vnet_main; /**< convenience */
81 ipsec_gre_main_t ipsec_gre_main;
83 extern vlib_node_registration_t ipsec_gre_input_node;
84 extern vnet_device_class_t ipsec_gre_device_class;
86 /* manually added to the interface output node in ipsec_gre.c */
87 #define IPSEC_GRE_OUTPUT_NEXT_ESP_ENCRYPT 1
90 * @brief IPSec-GRE tunnel add/del arguments.
95 u8 is_add; /**< 1 - add, 0 - delete */
97 ip4_address_t src; /**< tunnel IPv4 src address */
98 ip4_address_t dst; /**< tunnel IPv4 dst address */
99 u32 lsa; /**< local IPSec SA id */
100 u32 rsa; /**< remote IPSec SA id */
101 } vnet_ipsec_gre_add_del_tunnel_args_t;
103 int vnet_ipsec_gre_add_del_tunnel
104 (vnet_ipsec_gre_add_del_tunnel_args_t * a, u32 * sw_if_indexp);
106 #endif /* included_ipsec_gre_h */
109 * fd.io coding-style-patch-verification: ON
112 * eval: (c-set-style "gnu")